... collimated beam 准直光束 ; 准直束 ; 平行光束 ; 平行束 collimated light 准直光束 ; 平行光 collimated lamp 准直灯 ...
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The method is based on measuring the deflection of rays from a collimated light beam due to gradients in refractive index.
平行光通过折射率存在梯度的场，光线产生偏转，即产生云纹效应。
Another important application of diffraction theory is the study of the far field divergence Angle of a collimated light beam.
衍射理论的另一个重要应用就是研究准直光束的远场发散角。
New technique of measuring 3d displacement field of object's surface by multiple overlapping holography to use collimated light beams is investigated.
本文研究用平行光多重全息术分析测量物体表面三维位移场的新技术。
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